A) \[[M{{L}^{-1}}{{T}^{-2}}]\]
B) \[[{{M}^{0}}L{{T}^{-2}}]\]
C) \[[ML{{T}^{-2}}]\]
D) \[[M{{L}^{2}}{{T}^{-2}}]\]
Correct Answer: A
Solution :
The formula for the Youngs modulus \[\text{Y=}\frac{\text{stress}}{\text{strain}}\] Dimensions of\[Y\] \[=\frac{[M{{L}^{-1}}{{T}^{-2}}]}{[{{M}^{0}}{{L}^{0}}{{T}^{0}}]}\] \[=[M{{L}^{-1}}{{T}^{-2}}]\]
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